Antenna Pictures & Some Other Stuff · 2019. 3. 26. · Site Overview Antennas by band Grounding....
Transcript of Antenna Pictures & Some Other Stuff · 2019. 3. 26. · Site Overview Antennas by band Grounding....
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Antenna
Pictures &
Some Other
Stuff
ACØC – JAN 2019 - KCDXC
(c) Jeff Blaine 2019 all rights reserved
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2012-2017 – The “Temporary” Tower
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Happy - Until
The Big Wind
Came to
Town
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March 2017 – The Big Wind
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March 2017 – The Big Wind
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Agenda
Site Overview Antennas by band
Grounding
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SITE
4 Towers• 160m: 160/80-4sq
• 40m: 40/30/17/10
• 20m: 80d/20/15/6
• House: 12/2/440
21 Antennas• 18 RX/TX
• 3 RX-only
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SITE
4 Towers• 160m: 160/80-4sq
• 40m: 40/30/17/10
• 20m: 80d/20/15/6
• House: 12/2/440
20m Tower – 110’
40m Tower – 126’
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160m Tower – 130’- View to NE
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Agenda
Site Overview
Antennas by band Grounding
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160m130’ 25G full size vertical
~72 in-ground radials
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80m
DXE 4-square
Suspended from ropes off tower
~50 radials per vertical
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80m
80m 4-sq
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40m
JK402T 2-ele “T” cap loaded
Top-rotating & fixed EU
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Stack Magic• More peak gain
• Fatter main lobe
• Smaller secondary lobes
• Tighter backside
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40m
DXE 40m 4-square
~50 radials per vert
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40m
40m 4-sq
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30m
17m
Homebrew Telrex + DXE
30m: 3-ele full size
17m: 4-ele
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30m
17m
30m
17m
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20m
JK206 6-ele 44’ boom• Top-rotating
• 1x-fixed EU
JK205 5-ele 39’ boom – fixed SA
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20m
20m Stack
Fixed EU
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15m
JK155 5-ele 36’ boom• Top - rotating
• 2x - fixed EU
• 1x - fixed SA
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Modeling Tasks• Interaction
• Stack spacing optimization15m
15m Stack
Fixed EU
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12m
Homebrew – Hygain LJ
35’- 4-ele on 26’ boom
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12m
12m Yagi
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10m
JK106 6-ele on 36’ boom• Top - rotating
• 1x - fixed EU (not mounted)
FT5ZM 3-ele - fixed on SA
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6m
2m
440
M2 7-ele rotating
From Fred NøXA
25’ – Cushcraft 3/3 fixed North
From Rob KE5BR
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Beverage
Skimmer vertical
HiZ 8-circle multi-bandRX
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Agenda
Site Overview
Antennas by band
Grounding
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20m Tower – Ground Rod Layout
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Shack Entrance – Ground Rod Layout
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20m Tower – Polyphaser Mount & 2x8 SW
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20m Tower – Top of Tower
Tower Leg Clamp
Brazed Rod Connections
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40m Tower – Control Wire & MOV
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More Info:
acøc.com
(c) Jeff Blaine 2019 all rights reserved